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FR735878A - Switching device for automatic and semi-automatic telephone systems - Google Patents

Switching device for automatic and semi-automatic telephone systems

Info

Publication number
FR735878A
FR735878A FR735878DA FR735878A FR 735878 A FR735878 A FR 735878A FR 735878D A FR735878D A FR 735878DA FR 735878 A FR735878 A FR 735878A
Authority
FR
France
Prior art keywords
automatic
semi
switching device
telephone systems
automatic telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR735878A publication Critical patent/FR735878A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR735878D 1931-04-25 1932-04-20 Switching device for automatic and semi-automatic telephone systems Expired FR735878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE735878X 1931-04-25

Publications (1)

Publication Number Publication Date
FR735878A true FR735878A (en) 1932-11-16

Family

ID=20319688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR735878D Expired FR735878A (en) 1931-04-25 1932-04-20 Switching device for automatic and semi-automatic telephone systems

Country Status (1)

Country Link
FR (1) FR735878A (en)

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